Model: MR303C6

Annular Ball Bearing

Properties:

Overall Width
Between 0.5480 inches and 0.5512 inches
Bore Diameter
Between 0.6691 inches and 0.6693 inches
Overall Outside Diameter
Between 1.8502 inches and 1.8504 inches
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Angular
Bore Shape
Straight
Features Provided
Lubrication groove
Contact Angle
Between 20.0 degrees and 23.0 degrees
Material
Steel comp 4340 retainer
Material
Steel comp m50 ball
Material
Steel comp m50 inner ring
Material
Steel comp m50 outer ring
Material Specification
Ams 6414 assn standard single material response retainer
Material Specification
Ams 6491 assn standard single material response inner ring
Material Specification
Ams 6491 assn standard single material response outer ring
Material Specification
Ams 6491 assn standard single material response ball
Precious Material And Location
Plated retainer silver
Precious Material
Silver
Surface Treatment
Silver retainer
Surface Treatment Specification
Ams 2410 assn standard single treatment response retainer
Style Designator
Non-loading groove, non-separable
NSN
3110-01-330-9888
Part Number
MR303C6
Description
Bearing,ball,annular
CAGE
83086

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part MR303C6 NSN 3110-01-330-9888

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00014
FIIG:
A044A0
Concept No.:
App. Key:
C
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
S
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482105028
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Angular contact ball bearings, nesoi

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